Assume that the mean weight of 1-year-old girls in the USA is normally distributed, with a mean of about 9.5 kilograms and a standard deviation of approximately 1.1 kilograms. Calculate the z-scores in 2 decimal places for each of the following weights in kilograms: 8.4 z - score = Blank 1 7.3 z - score = Blank 2 11.7 Z - score = Blank 3

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